UFC 170: Rousey vs. McMann Extended Preview

Two former United States Olympians meet in the main event of UFC 170 on February 22, as judo bronze medalist Ronda Rousey defends her UFC women's bantamweight title against freestyle wrestling silver medalist Sara McMann. This battle of unbeatens will mark Rousey's toughest test yet, but "Rowdy" is unquestionably up for the challenge. Plus, another former Olympian, Daniel Cormier makes his light heavyweight debut against fellow unbeaten and former wrestling rival Patrick Cummins. UFC 170: Rousey vs McMann -- Sunday, February 23, live on Sony SIX from the Mandalay Bay Events Center in Las Vegas, Nevada.